CN211712406U

CN211712406U - Protection device for preventing accidental movement of elevator car

Info

Publication number: CN211712406U
Application number: CN202020263784.8U
Authority: CN
Inventors: 袁德杰
Original assignee: Foshan European Exchange Elevator Accessories Co ltd
Current assignee: Foshan European Exchange Elevator Accessories Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-20
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a protection device for preventing the accidental movement of an elevator car, which belongs to the technical field of self-balancing progressive elevator safety tongs, and comprises an elevator car, wherein a fixed seat is welded on the top end surface and the bottom end surface of the elevator car, and a sliding groove is arranged inside the fixed seat, the protection device for preventing the accidental movement of the elevator car utilizes a servo motor to drive a rotating rod and spiral bevel gears at the upper end and the lower end of the rotating rod to rotate by starting the servo motor, so that the upper spiral bevel gear and the lower spiral bevel gear respectively drive a transmission gear and a rotating gear to rotate, thus two rotating gears positioned inside a machine frame are mutually meshed and connected, a first sliding rod and a second sliding rod at the upper end and the lower end of the elevator car are driven to expand outwards, a clamping block is clamped in a limiting groove of an elevator shaft, thereby preventing the accidental operation and the occurrence of accidents under special conditions and, and two groups of first sliding rods and second sliding rods are utilized, so that the safety can be improved.

Description

Protection device for preventing accidental movement of elevator car

Technical Field

The utility model relates to a protection device technical field that elevator car accident removed, in particular to prevent protection device that elevator car accident removed.

Background

Car body components of the car that carry passengers or other loads; the car is a box-shaped space used by elevators to carry and transport people and materials. The lift car generally comprises main components such as a car bottom, a car wall, a car roof, a car door and the like, and the clear height of the interior of the lift car is at least 2 m;

the conventional apparatus has the following disadvantages:

at present, with the development of modern society, elevators are used more and more commonly, and the elevator accidents that happen therewith are more and more, and the main accidents of elevators occur in floor-stopping areas, because the elevator car moves unexpectedly due to improper use or equipment failure, the safety of the elevator is low, and the elevator is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent unexpected protection device who removes of elevator car to solve and propose in the above-mentioned background art along with modern society's development, the elevator uses more and more generally, and the elevator accident of the emergence from it is also more and more, and the main accident of elevator takes place in the parking floor region, leads to the unexpected removal of car owing to use improper or equipment trouble, makes the security of elevator lower like this, uses very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for preventing an elevator car from moving accidentally comprises the elevator car, wherein fixed seats are welded on the top end surface and the bottom end surface of the elevator car, sliding grooves are formed in the fixed seats, meanwhile, both ends of the sliding chute extend out of the fixed seat, both sides of the interior of the sliding chute are respectively and movably provided with a first sliding rod and a second sliding rod, meanwhile, the other ends of the first sliding rod and the second sliding rod are respectively welded with a fixed plate, a plurality of clamping blocks are sequentially welded on the fixed plate, the outer wall surface of the fixed seat is fixedly provided with a machine frame, two sides in the machine frame are respectively provided with a rotating gear through a bearing in a rotating way, meanwhile, the rotating gears are mutually meshed, a plurality of tooth blocks are sequentially and fixedly arranged on the first sliding rod and the second sliding rod, and the rotating gears are mutually meshed with the gears on the first sliding rod and the second sliding rod respectively;

the outer wall of elevator car is from top to bottom in proper order fixed mounting has the circuit board and rotates through the bearing between the inboard of circuit board and installs the bull stick, and the equal fixed mounting in both ends has spiral bevel gear about the bull stick simultaneously, all meshing is connected with drive gear on the spiral bevel gear, and drive gear's pivot and rotating gear's pivot butt joint simultaneously, one side top fixed mounting that is close to the bull stick of elevator car's outer wall has servo motor, the spiral bevel gear fixed connection of servo motor output pivot and top simultaneously.

As a preferred technical scheme of the utility model, first slide bar, second slide bar are the same at the inside initial position of spout, and first slide bar, the length homogeneous phase of second slide bar are the same simultaneously.

As an optimal technical scheme of the utility model, elevator car's bottom face fixed mounting has the cushion pad body, and the inside of the cushion pad body has a plurality of rows of buffer spring in proper order fixed mounting simultaneously.

As a preferred technical scheme of the utility model, elevator car's outer wall both sides all weld the department that electric telescopic handle and electric telescopic handle's end all welded the slide, and fixed mounting has a plurality of rows of tooth on the slide simultaneously.

As an optimized technical scheme of the utility model, fixture block quantity on the fixed plate is provided with one at least.

As an optimized technical scheme of the utility model, the last power that has set of servo motor.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a prevent unexpected protection device who removes of elevator car, through after the elevator car arranges in appointed position, then start servo motor, utilize servo motor to drive the bull stick and the spiral bevel gear at both ends about the bull stick rotates, make two spiral bevel gears from top to bottom drive gear, the rotating gear rotates respectively, two rotating gears that are located the frame inside like this mesh each other and connect, then drive elevator car upper and lower both ends first slide bar, the second slide bar expands outward, make the fixture block in the spacing groove of elevartor shaft, thereby prevent accident and special circumstances emergence accident, cause the casualties of personnel, and utilize two sets of first slide bars, the second slide bar, can improve the security like this; after the unexpected situation of in-process proruption at elevator car whereabouts, through utilizing electric telescopic handle extension for tooth on the slide rubs, utilizes tooth to rub the wall of elevartor shaft like this, makes elevator car can stop fast, and then improves the security of elevator.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the side partial connection structure of the present invention;

FIG. 3 is a schematic view of the top-view partial connection structure of the present invention;

fig. 4 is a schematic view of the front view local connection structure of the present invention.

In the figure: 1. a chute; 2. a fixing plate; 3. a first slide bar; 4. a fixed seat; 5. a machine frame; 6. a second slide bar; 7. a clamping block; 8. an elevator car; 9. a rotating gear; 10. a tooth block; 11. a machine plate; 12. a rotating rod; 13. a spiral bevel gear; 14. a transmission gear; 15. a servo motor; 16. a cushion pad body; 17. a buffer spring; 18. an electric telescopic rod; 19. a slide plate; 20. and (4) teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a protection device for preventing an elevator car from moving accidentally, which comprises an elevator car 8, wherein a fixed seat 4 is welded on the top end surface and the bottom end surface of the elevator car 8, a sliding chute 1 is arranged inside the fixed seat 4, both ends of the sliding chute 1 extend out of the fixed seat 4, the two sides inside the sliding chute 1 are respectively movably provided with a first sliding rod 3 and a second sliding rod 6, a fixed plate 2 is welded on the other ends of the first sliding rod 3 and the second sliding rod 6, a plurality of clamping blocks 7 are welded on the fixed plate 2 in sequence, a frame 5 is fixedly arranged on the outer wall surface of the fixed seat 4, rotating gears 9 are rotatably arranged on both sides inside the frame 5 through bearings, the rotating gears 9 are engaged with each other, a plurality of tooth blocks 10 are fixedly arranged on the first sliding rod 3 and the second sliding rod 6 in sequence, meanwhile, the rotating gear 9 is meshed with the gears on the first sliding rod 3 and the second sliding rod 6 respectively;

the outer wall of elevator car 8 is from top to bottom in proper order fixed mounting have between the inboard of board 11 and board 11 rotating through the bearing and install bull stick 12, the equal fixed mounting in upper and lower both ends of bull stick 12 has spiral bevel gear 13 simultaneously, all the meshing is connected with drive gear 14 on the spiral bevel gear 13, drive gear 14's pivot and rotating gear 9's pivot butt joint simultaneously, one side top fixed mounting of elevator car 8 outer wall near bull stick 12 has servo motor 15, the spiral bevel gear 13 fixed connection of 15 output shafts of servo motor and top simultaneously.

The initial positions of the first sliding rod 3 and the second sliding rod 6 in the sliding chute 1 are the same, and the lengths of the first sliding rod 3 and the second sliding rod 6 are the same, so that synchronous operation can be kept.

The bottom end face of the elevator car 8 is fixedly provided with a cushion body 16, meanwhile, the inside of the cushion body 16 is sequentially and fixedly provided with a plurality of rows of cushion springs 17, and the cushion body 16 and the cushion springs 17 are arranged, so that when an accident happens, buffering can be carried out, and the casualty rate can be reduced.

Electric telescopic handle 18 and electric telescopic handle 18's end department all welds and has slide 19 in elevator car 8's outer wall both sides, and fixed mounting has a plurality of rows of tooth 20 on slide 19 simultaneously, sets up slide 19, tooth 20, can utilize elevator operation system to start electric telescopic handle 18 extension like this when the unexpected condition takes place to utilize tooth 20 to rub the wall of elevartor shaft, make elevator car 8 can stop fast, and then improve the security of elevator.

At least one clamping block 7 is arranged on the fixing plate 2.

A power supply is provided to the servo motor 15.

When the protection device is used specifically, the utility model relates to a prevent unexpected protection device that removes of elevator car, install whole part earlier, then after elevator car 8 arranges appointed position in, then start servo motor 15, utilize servo motor 15 to drive bull stick 12 and the spiral bevel gear 13 at the upper and lower both ends of bull stick 12 and rotate, make two spiral bevel gears 13 on the top and bottom drive gear 14 respectively, bull gear 9 rotates, and two bull gears 9 that are located frame 5 inside are connected with each other in the meshing, then drive elevator car 8 upper and lower both ends first slide bar 3, second slide bar 6 expands outwards, make fixture block 7 block in the spacing groove of elevartor shaft, thereby prevent unexpected operation and special circumstances from taking place the accident, cause the injures and deaths of personnel, and utilize two sets of first slide bar 3, second slide bar 6, can improve the security like this; after the unexpected condition of in-process proruption at elevator car 8 whereabouts, through utilizing electric telescopic handle 18 extension for tooth 20 on the slide 19 rubs, utilizes tooth 20 to rub the wall of elevartor shaft like this, makes elevator car 8 can stop fast, and then improves the security of elevator.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A protection device for preventing accidental movement of an elevator car, comprising an elevator car (8), characterized in that: the elevator car is characterized in that the fixed seat (4) is welded on the top end face and the bottom end face of the elevator car (8), the sliding groove (1) is formed in the fixed seat (4), the fixed seat (4) is extended out from the two ends of the sliding groove (1), the first sliding rod (3) and the second sliding rod (6) are movably arranged on the two sides of the inside of the sliding groove (1), the fixed plate (2) is welded on the other end of the first sliding rod (3) and the other end of the second sliding rod (6), a plurality of clamping blocks (7) are welded on the fixed plate (2) in sequence, the frame (5) is fixedly installed on the outer wall face of the fixed seat (4), the rotating gears (9) are installed on the two sides of the inside of the frame (5) through bearings in a rotating mode, the rotating gears (9) are meshed with each other, a plurality of tooth blocks (10) are fixedly installed on the first sliding rod (3) and, meanwhile, the rotating gear (9) is meshed with gears on the first sliding rod (3) and the second sliding rod (6) respectively;

fixed mounting has about the outer wall of elevator car (8) in proper order and installs bull stick (12) through the bearing rotation between the inboard of board (11) and board (11), and the equal fixed mounting in both ends has spiral bevel gear (13) about bull stick (12) simultaneously, equal meshing connection has drive gear (14) on spiral bevel gear (13), and the pivot of drive gear (14) and the pivot butt joint of running gear (9) simultaneously, one side top fixed mounting of outer wall of elevator car (8) being close to bull stick (12) has servo motor (15), and servo motor (15) output pivot and spiral bevel gear (13) fixed connection of top simultaneously.

2. A protection device for preventing accidental movement of an elevator car according to claim 1, characterized in that: the initial positions of the first sliding rod (3) and the second sliding rod (6) in the sliding chute (1) are the same, and the lengths of the first sliding rod (3) and the second sliding rod (6) are the same.

3. A protection device for preventing accidental movement of an elevator car according to claim 1, characterized in that: the bottom end face of the elevator car (8) is fixedly provided with a cushion body (16), and meanwhile, the inside of the cushion body (16) is sequentially and fixedly provided with a plurality of rows of cushion springs (17).

4. A protection device for preventing accidental movement of an elevator car according to claim 1, characterized in that: the elevator car (8) outer wall both sides all weld the department that has electric telescopic handle (18) and all weld slide (19), and fixed mounting has a plurality of rows of teeth (20) on slide (19) simultaneously.

5. A protection device for preventing accidental movement of an elevator car according to claim 1, characterized in that: at least one clamping block is arranged on the fixing plate (2).

6. A protection device for preventing accidental movement of an elevator car according to claim 1, characterized in that: and a power supply is arranged on the servo motor (15).